In Argentina, the day of the Immaculate Conception is observed as a public holiday on the 8th of December. It is a day that marks the dogma that the Virgin Mary, mother of Jesus, was conceived without the stain of original sin. This day gets observed just a few days before the start of summer in Argentina, so the weather is typically very pleasant.

The tradition of honouring the Virgin Mary in Argentina extends to regular festivities, processions, religious ceremonies, and community gatherings. Houses and churches are decorated with flowers and candles. Many Argentinians also attend special mass services held at churches throughout the day. Special prayers are recited, hymns sung, and sermons related to the life and purity of Mary are delivered.

Despite being a religious holiday, the day of the Immaculate Conception is also importantly a day for friends and families to get together. Many people enjoy food and drinks together, and there's a feeling of festiveair that fills the day. Moreover, it is believed to mark the beginning of the Christmas season in Argentina, thus adding another reason for the increased joy and festivities.